JPH0125019B2 - - Google Patents

Info

Publication number
JPH0125019B2
JPH0125019B2 JP56118540A JP11854081A JPH0125019B2 JP H0125019 B2 JPH0125019 B2 JP H0125019B2 JP 56118540 A JP56118540 A JP 56118540A JP 11854081 A JP11854081 A JP 11854081A JP H0125019 B2 JPH0125019 B2 JP H0125019B2
Authority
JP
Japan
Prior art keywords
primary coil
inspected
frequency
flaw detection
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP56118540A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5821159A (ja
Inventor
Nobutada Sugaya
Seigo Ando
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Engineering Corp
Original Assignee
Nippon Kokan Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Priority to JP56118540A priority Critical patent/JPS5821159A/ja
Publication of JPS5821159A publication Critical patent/JPS5821159A/ja
Publication of JPH0125019B2 publication Critical patent/JPH0125019B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • G01N27/9046—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents by analysing electrical signals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
JP56118540A 1981-07-30 1981-07-30 渦流探傷法 Granted JPS5821159A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56118540A JPS5821159A (ja) 1981-07-30 1981-07-30 渦流探傷法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56118540A JPS5821159A (ja) 1981-07-30 1981-07-30 渦流探傷法

Publications (2)

Publication Number Publication Date
JPS5821159A JPS5821159A (ja) 1983-02-07
JPH0125019B2 true JPH0125019B2 (fi) 1989-05-16

Family

ID=14739117

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56118540A Granted JPS5821159A (ja) 1981-07-30 1981-07-30 渦流探傷法

Country Status (1)

Country Link
JP (1) JPS5821159A (fi)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003149212A (ja) * 2001-11-09 2003-05-21 Japan Science & Technology Corp 非破壊検査装置
JP2010048723A (ja) * 2008-08-22 2010-03-04 Kobe Steel Ltd 鉄筋腐食検査方法，鉄筋腐食検査装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030092970A (ko) * 2002-05-31 2003-12-06 박관수 자기식 비접촉 이물질감지장치 및 방법
JP5727894B2 (ja) * 2011-08-23 2015-06-03 マークテック株式会社 渦電流探傷方法
WO2019117297A1 (ja) * 2017-12-15 2019-06-20 日本精工株式会社 転動部品の検査方法及び転動部品の検査装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56163451A (en) * 1980-05-21 1981-12-16 Hitachi Ltd Probing coil for detecting crack by utilizing eddy current

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56163451A (en) * 1980-05-21 1981-12-16 Hitachi Ltd Probing coil for detecting crack by utilizing eddy current

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003149212A (ja) * 2001-11-09 2003-05-21 Japan Science & Technology Corp 非破壊検査装置
JP2010048723A (ja) * 2008-08-22 2010-03-04 Kobe Steel Ltd 鉄筋腐食検査方法，鉄筋腐食検査装置

Also Published As

Publication number Publication date
JPS5821159A (ja) 1983-02-07

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